vitamin A2

noun

1. a yellow oil, C 20 H 28 O, similar to vitamin A, obtained from fish liver.

vitamin A2

noun

1. Also called: dehydroretinol. a vitamin that occurs in the tissues of freshwater fish and has a function similar to that of vitamin A. Formula: C 20 H 28 O

Example Sentences

Chemically, Cyp27c1 makes a small modification on the molecule of the form of Vitamin A called Vitamin A1 to turn it into Vitamin A2, shifting sensitivity of eye photoreceptors to longer wavelengths such as red and infrared light.

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